可遇不可求可以理解为概率很小,其英语字母表达可以有the possibility is small,it is uncommon等等,举例说明:
But I say that, do not believe in love, only because of love goodly portion of luck.
可我却认为,不相信爱情,只是因为爱情的可遇不可求。
But I know it is uncommon, others can "t according to for ourselves."
但我知道这是可遇不可求,他人的东西不能据为己有。